[  809.499129][T23534] veth0: entered allmulticast mode
[  809.499415][T23534] veth1: entered allmulticast mode
[  809.499641][T23534] veth2: entered allmulticast mode
[  809.499865][T23534] veth3: entered allmulticast mode
[  818.223511][T23659] tc (23659) used greatest stack depth: 23984 bytes left
[  820.192309][T23534] veth0: left allmulticast mode
[  820.192532][T23534] veth1: left allmulticast mode
[  820.192709][T23534] veth2: left allmulticast mode
[  820.192880][T23534] veth3: left allmulticast mode